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Genetic Code and Regulation

Genetic Code and Regulation
In some organelles in eukaryotes, the genetic code for some codons

differs from that used in prokaryotes
are same
are partially same
None of these

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Genetic Code and Regulation
How many different codons are possible?

3
20
An infinite number
64

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Genetic Code and Regulation
Translation begins

at the replication fork
at the start codon
on the lagging strand
in nucleus

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Genetic Code and Regulation
The sequence of one strand of DNA is: 5' ATTGCCA 3', what is the sequence of the other strand?

5' TAACGGT 3'
5' UAAGCCU3'
5' ATTGCCA 3'
5' TGGCAAT 3'

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Genetic Code and Regulation
Bacterial protein called catabolic activator protein (CAP) is an example of

positive control of gene expression
None of these
second type of positive control of gene expression
negative control of gene expression

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Genetic Code and Regulation
The genetic code is degenerated. Which of the following codons represents the principle of degeneracy?

UAA and UAC
CAU and CAC
AUG and AUA
UUA and UUC

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